Biology 2003 JAMB Past Questions - Question 12: The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

Correct Answer

C

Explanation

Rhizoblum is a symbiotic nitrogen fixing bacterium that Jives in the root nodules of leguminous plants. The bacterium trap soil nitrogen and the green plant uses part of the trapped nitrogen to synthesize its protein. Denitrifying bacteria are bacteria which decompose (or oxidize) excess nitrate to atmospheric nitrogen Saprophytic bacteria oxidize dead plants and animals to ammonia while nitroso monas anitrifying bacterium oxidizes ammonia to nitrite.